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For cloud formation, water vapour has to change into what?

Answer and explanation

Correct answer: Tiny water droplets or ice crystals

Correct answer: A, tiny water droplets or ice crystals. Water vapour is a gas and cannot normally be seen by itself. During cloud formation, moist air cools and the vapour condenses on tiny particles in the atmosphere. It becomes microscopic liquid droplets; when temperatures are sufficiently low, it may form ice crystals. These suspended droplets and crystals scatter light, making the cloud visible. A is correct because clouds are collections of these condensed water particles. B is wrong because soil is a solid material and is not the product of water-vapour condensation. C is wrong because lava is molten rock produced by volcanic activity. D is wrong because sea salt may act as a small particle around which condensation occurs, but it is not what water vapour changes into. Memory cue: invisible vapour becomes visible cloud droplets or ice crystals.

Related tags

Cloud FormationWater VapourIce CrystalsCondensationClouds And PrecipitationWater In The AtmosphereGeographyClass 12 Mcq

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